A STUDY OF ONE ASPECT OF URBAN ECOLOGY (USING THE EXAMPLE OF THE ECOLOGICAL FOOTPRINT OF A CHRISTMAS TREE). ISSN 1994-3520 (Print), ISSN 2077-9402 (Online). [Internet]. 2023 Jan. 9 [cited 2025 Dec. 17];(3):83-100. Available from: https://urbansocio.com/index.php/1/article/view/11